CN210418532U - Unwinding device of film carrier coating - Google Patents
Unwinding device of film carrier coating Download PDFInfo
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- CN210418532U CN210418532U CN201920845734.8U CN201920845734U CN210418532U CN 210418532 U CN210418532 U CN 210418532U CN 201920845734 U CN201920845734 U CN 201920845734U CN 210418532 U CN210418532 U CN 210418532U
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Abstract
The utility model relates to a film coating field discloses an unwinding device of film carrier coating, including material book mount, the roller set mount, film conveyer, the tensioning roller set, guide roll and flattening roller, the roller set mount includes vertical support and horizontal stand, the setting of tensioning roller set is close to the one end of material book mount at the horizontal stand, including setting up first tensioning roller and the third tensioning roller of horizontal stand upside and being located the second tensioning roller of horizontal stand below, the guide roll is located the horizontal stand other end, the guide roll, flattening roller and tensioning roller include the roll body and set up the roller at the roll body both ends, the roller at second tensioning roller both ends passes through the dead lever and is connected with the horizontal stand, the guide roll and first, the roller of third tensioning roller is fixed on the horizontal stand, the roller of flattening roller is fixed on film conveyer. The utility model discloses set up tensioning roller set, guide roll and flattening roller, can make the effective tensioning of film carrier and exhibition flat, avoid the fold.
Description
Technical Field
The utility model belongs to the technical field of the film coating and specifically relates to an unwinding device of film carrier coating is related to.
Background
With the economic development of China, the functional requirements of the market on film carriers such as polyester films and the like are higher and higher, so a coating process is usually added in the production process of the film carriers, a coating machine is used for coating chemical coating liquid on the surfaces of the films, specific surface functions are given to the film carriers, the application fields of the film carriers are expanded, and the market requirements are met.
In the coating process of the film carrier, the film carrier needs to be unreeled firstly, in the prior art, the unreeling device during film coating mainly comprises a rack assembly and a guide roll shaft arranged on the rack assembly, and the film carrier is conveyed by the guide roll shaft. For example, the "unwinding device for a film coating machine" disclosed in the chinese patent document has publication No. CN207226607U, and includes a frame assembly, and a roller assembly rotatably disposed on the frame assembly, where the roller assembly includes a guide roller shaft for conveying a film and a tension roller shaft, and the tension roller shaft is disposed obliquely above the unwinding direction of the guide roller shaft; the film winds in from the rear of the guide roller shaft, passes through the bottom of the guide roller shaft, clings to the guide roller shaft, extends forwards in an inclined mode, and then is attached to the tensioning roller shaft to be conveyed upwards. The unwinding device of the film coating machine is provided with the tensioning roller shaft, so that the unwinding effect of the film coating machine is ensured.
However, the film carrier unwinding device in the prior art has a limited tensioning effect on the film carrier when unwinding, and is difficult to ensure effective adhesion between the film and the conveying device, and the film carrier is prone to wrinkle during coating, and is prone to edge curling and other phenomena during unwinding, thereby affecting the use performance of the film carrier.
Disclosure of Invention
The utility model discloses a first purpose is limited to the tensioning effect of film carrier when unreeling in order to overcome the unwinding device of film carrier among the prior art, also is difficult to guarantee effectively laminating between film and the conveyer, leads to the film carrier to produce the problem of fold during the coating easily, provides the unwinding device of film carrier coating for the film carrier unreels the in-process and can effectively take up, and can effectively laminate with conveyer, prevents that the film carrier from producing the fold.
The utility model discloses a second purpose is in order to overcome the unwinding device of the film carrier among the prior art and easily take place the turn-up phenomenon for the film carrier when unreeling, provides the unwinding device of film carrier coating, sets up the anti-curling device on each roller set, avoids taking place the turn-up and influences the performance of film carrier.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an unwinding device for coating a film carrier comprises a material roll fixing frame, a roller set fixing frame, a film conveying device, a tensioning roller set and a guide roller which are arranged on the roller set fixing frame, and a flattening roller arranged above the film conveying device, wherein the roller set fixing frame comprises a vertical support and a horizontal support which are vertically arranged, the vertical support is positioned between the film conveying device and the material roll fixing frame, the horizontal support is positioned above the film conveying device and the flattening roller, the tensioning roller set is arranged at one end, close to the material roll fixing frame, of the horizontal support, the tensioning roller set comprises a first tensioning roller and a third tensioning roller which are arranged at the upper side of the horizontal support in parallel, and a second tensioning roller which is positioned below the horizontal support, the guide roller is positioned at the upper side of one end, far away from the material roll fixing frame, of the guide roller, the flattening roller and the first tensioning roller, the second tensioning roller and the, the roller shafts at the two ends of the second tensioning roller are connected with the horizontal support through fixing rods, the two ends of the guide roller and the first tensioning roller and the two ends of the third tensioning roller are fixed on the horizontal support of the roller set fixing frame through the roller shafts respectively, and the two ends of the flattening roller are fixed on the film conveying device through the roller shafts respectively.
The utility model discloses set up the tensioning roller set and the guide roll and the flattening roller of constituteing by the tensioning roller that three line is triangle-shaped in unwinding device, when unreeling, roll up film carrier and fix on material book mount, the film carrier is walked around in proper order first tensioning roller top, second tensioning roller below, third tensioning roller top, guide roll top, flattening roller below back and conveyer upper surface laminating. Because the third tensioning roller is not at the same height as the first tensioning roller and the second tensioning roller, the film can be effectively tensioned and flattened under the action of the tensioning roller group after sequentially winding around the three tensioning rollers; the tensioned film carrier downwards enters the lower part of the flattening roller under the action of the guide roller, and after the film carrier is further flattened by the flattening roller, the film carrier can be kept flat and smooth to eliminate wrinkles, and the film carrier is effectively attached to the conveying device and conveyed to a subsequent coating process by the conveying device.
Preferably, the connecting line of the three tension roller shafts in the tension roller group is an isosceles triangle with the second tension roller shaft as a vertex. The three tensioning rollers are arranged in an isosceles triangle shape according to the connecting line, so that the film carrier is stressed uniformly when passing around the three tensioning rollers in sequence, and the film carrier can be stretched and flattened better.
Preferably, the guide roller and the two ends of the roller bodies of the first tensioning roller, the second tensioning roller and the third tensioning roller are respectively sleeved with a chuck plate, the inner sides of the chuck plates are respectively provided with an anti-curling pressing block with the bottom surface contacting with the roller bodies, the anti-curling pressing block and the roller bodies are obliquely arranged, and one end of the anti-curling pressing block is connected with the chuck plates through connecting rods. The chuck is arranged on the roller body, the anti-curling pressing block is arranged on the chuck, when the roller body drives the film carrier to rotate, friction force can be generated between the anti-curling pressing block and the film carrier, and the anti-curling pressing block obliquely arranged with the roller body can decompose the friction force to the two sides of the roller body, so that the purpose of preventing the curling of the film carrier is achieved.
Preferably, a fixing piece is arranged on the inner side of the chuck, and the connecting rod is rotatably connected with the fixing piece. The connecting rod is rotatably connected with the fixing piece, so that the angle of the anti-curling pressing block can be adjusted, when the film carrier is placed between the anti-curling pressing block and the roller body, the connecting rod can be rotated upwards to lift the anti-curling pressing block, the film carrier is placed on the surface of the roller body, then the anti-curling pressing block is pressed down to enable the anti-curling pressing block to be in contact with the film carrier, the installation of the film carrier is facilitated, meanwhile, the pressing force between the anti-curling pressing block and the film carrier can be adjusted, and the phenomenon that the friction force between the anti-curling pressing block and the film carrier is too large or too small is avoided, so that the unwinding effect.
Preferably, an included angle of 120-135 degrees is formed between one end of the connecting rod connected with the fixing piece and one end of the connecting rod connected with the anti-curling pressing block. Therefore, a proper angle is kept between the anti-curling pressing block and the roller body, and the friction force axially decomposed along the roller body can effectively prevent the curling of the film carrier.
Preferably, the anti-crimping press block is cylindrical. The contact area between the cylindrical anti-curling pressing block and the film carrier is small, the friction force borne by the film carrier is uniform, and the phenomenon that the edge of the film carrier is abraded due to the fact that the friction force is too large when the contact area is too large can be avoided.
Preferably, the anti-curling pressing blocks on the guide roller and the first and third tensioning rollers are positioned above the roller body, and the anti-curling pressing blocks on the second tensioning roller are positioned below the roller body. Because the film carrier sequentially bypasses the upper part of the first tensioning roller, the lower part of the third tensioning roller, the upper part of the second tensioning roller and the upper part of the guide roller, the anti-curling pressing block is arranged on one side contacted with the film carrier, so that the film carrier can be effectively prevented from curling when passing through.
Preferably, heating pipe holes are formed in the roll shafts of the guide roll, the flattening roll and the first, second and third tensioning rolls, the roll body is hollow, spiral heating pipes are arranged in the roll body along the inner wall of the roll body, and two ends of each heating pipe penetrate through the heating pipe holes in the roll shafts at two ends respectively and are connected with a circulating heating system for providing heating media. The circulation heating system is a conventional device in the prior art, and is not the key point of the utility model. In the unreeling process, each roller body can be circularly heated by utilizing heating media such as water, oil or steam, so that the film carrier is heated at constant temperature, the film carrier is more easily flattened, and wrinkles are avoided. The heating pipe is spirally arranged along the inner wall of the roller body, so that the inner wall of the roller body can be uniformly heated, and the roller body can uniformly heat the film carrier; in the process that the film carrier passes through the roller bodies in sequence, the roller bodies can heat the film carrier, so that the film carrier is fully heated and is more easily flattened by the flattening roller.
Therefore, the utility model discloses following beneficial effect has:
(1) the unwinding device is internally provided with a tensioning roller group consisting of three tensioning rollers with triangular connecting lines, a guide roller and a flattening roller, and a film can be effectively tensioned and flattened under the action of the tensioning roller group after sequentially passing around the three tensioning rollers because the third tensioning roller is not at the same height as the first tensioning roller and the second tensioning roller; the tensioned film carrier downwards enters the lower part of the flattening roller under the action of the guide roller, and after being further flattened by the flattening roller, the film carrier can be kept flat and smooth to eliminate wrinkles, and the film carrier is effectively attached to the conveying device, so that the film carrier cannot be tilted in the process of being conveyed to a subsequent coating procedure by the conveying device to influence subsequent coating;
(2) the clamping disc is arranged on the roller body, the anti-curling pressing block is arranged on the clamping disc, when the roller body drives the film carrier to rotate, friction force can be generated between the anti-curling pressing block and the film carrier, and the friction force can be decomposed towards the two sides of the roller body by the anti-curling pressing block obliquely arranged with the roller body, so that the purpose of preventing the film carrier from curling is achieved; the angle of the anti-curling pressing block is adjustable, so that the installation of the film carrier is facilitated, the pressing force between the anti-curling pressing block and the film carrier can be adjusted, and the phenomenon that the unwinding effect of the film carrier is influenced due to the fact that the friction force between the anti-curling pressing block and the film carrier is too large or too small is avoided;
(3) set up spiral helicine heating pipe in the roll body, unreeling the in-process, can utilize heating medium such as water, oil or steam to carry out the circulation heating to each roll body to carry out the constant temperature heating to the film carrier, make the film carrier change the exhibition flat, avoid producing the fold.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the first, second and third tensioning and guide rollers;
fig. 3 is a cross-sectional view of the first, second, and third tension rollers and the guide roller.
In the figure: the automatic film rolling machine comprises a 1 material roll fixing frame, a 101 material roll fixing shaft, a 2-roller set fixing frame, a 3 film conveying device, a 401 first tensioning roller, a 402 second tensioning roller, a 403 third tensioning roller, a 5 guide roller, a 6 flattening roller, a 7 fixing rod, an 8 roller body, a 9 roller shaft, a 901 heating pipe hole, a 10 chuck, an 11 anti-curling pressing block, a 12 fixing sheet, a 13 connecting rod, a 14 heating pipe, a 15 material roll and a 16 roller shaft support.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example (b):
in the embodiment shown in fig. 1, the unwinding device for coating the film carrier comprises a material roll fixing frame 1, a roller set fixing frame 2, a film conveying device 3, a tensioning roller set comprising a first tensioning roller 401, a second tensioning roller 402 and a third tensioning roller 403, a guide roller 5 and a flattening roller 6 arranged above the film conveying device, wherein the film conveying device is a conveyor belt.
The material roll fixing frame is provided with a material roll fixing shaft 101, and the material roll 15 is fixed on the material roll fixing frame through the material roll fixing shaft penetrating through the center of the material roll. The roller set fixing frame comprises a vertical support and a horizontal support which are perpendicular to each other, the vertical support is located between the film conveying device and the material roll fixing frame, and the horizontal support is located above the film conveying device and the flattening roller. The tensioning roller set and the guide roller are arranged on a horizontal support of the roller set fixing frame, the tensioning roller set is arranged at one end, close to the material roll fixing frame, of the horizontal support, the first tensioning roller and the third tensioning roller are arranged on the upper side of the horizontal support in parallel, the second tensioning roller is located below the horizontal support, a connecting line of centers of the three tensioning rollers is an isosceles triangle with a roller shaft of the second tensioning roller as a vertex, and the guide roller is arranged on the upper side of one end, far away from the material roll fixing frame, of the horizontal support.
The guide roll, the flattening roll and first, the second, the third tensioning roller includes roll body 8 and the roller 9 of setting at roll body both ends center, the roller at second tensioning roller both ends passes through dead lever 7 and is connected with the horizontal stand of roller set mount, the guide roll and first, the roller at third tensioning roller both ends is fixed on the horizontal stand of roller set mount through the roller support 16 that sets up on the horizontal stand, the roller at flattening roll both ends is fixed on film conveyer through the roller support respectively.
As shown in fig. 2, the guide roll and the first, second, third tensioning roll's roll body both ends cover is equipped with the (holding) chuck 10, the (holding) chuck inboard is equipped with the cylindrical anti-hemming briquetting 11 that is of bottom surface and roll body contact respectively, the (holding) chuck inboard is equipped with the stationary blade 12, anti-hemming briquetting one end is passed through connecting rod 13 and is connected with the stationary blade, rotate through the axis of rotation between connecting rod and the stationary blade and be connected, the slant sets up between anti-hemming briquetting and the roll body, be 135 contained angles between the one end that the connecting rod is connected with the stationary blade and the. The anti-curling pressing blocks on the guide roller and the first and third tensioning rollers are positioned above the roller body, and the anti-curling pressing blocks on the second tensioning roller are positioned below the roller body.
As shown in fig. 3, heating pipe holes 901 are formed in the roll shafts of the guide roll, the flattening roll, the first tensioning roll, the second tensioning roll and the third tensioning roll, the roll body is hollow, a spiral heating pipe 14 is arranged along the inner wall of the roll body in the roll body, and two ends of the heating pipe respectively penetrate through the heating pipe holes in the roll shafts at two ends to be connected with a circulating heating system for providing a heating medium.
When a material roll of the film carrier fixed on the material roll fixing frame is unreeled, the film carrier sequentially bypasses the upper part of the first tensioning roller, the lower part of the second tensioning roller, the upper part of the third tensioning roller, the upper part of the guide roller and the lower part of the flattening roller and then is attached to the upper surface of the conveying belt, and the film carrier is conveyed to a subsequent coating process by the conveying belt. After the film sequentially bypasses the three tensioning rollers, the film can be effectively tensioned and flattened under the action of the tensioning roller group; the tensioned film carrier downwards enters the lower part of the flattening roller under the action of the guide roller, and after the film carrier is further flattened by the flattening roller, the film carrier can be kept flat and smooth to eliminate wrinkles, and the film carrier is effectively attached to the conveying device.
When the film carrier passes through the upper part of the first tensioning roller, the lower part of the second tensioning roller, the upper part of the third tensioning roller and the upper part of the guide roller, the film carrier can generate friction force with the anti-curling pressing block on the roller body, and the anti-curling pressing block obliquely arranged with the roller body can decompose the friction force to the two sides of the roller body, so that the aim of preventing the curling of the film carrier is fulfilled. When the film carrier is placed between the anti-curling pressing block and the roller body, the connecting rod can be rotated upwards to lift the anti-curling pressing block, the film carrier is placed on the surface of the roller body, and then the anti-curling pressing block is pressed down to be in contact with the film carrier, so that the film carrier is convenient to mount, meanwhile, the pressing force between the anti-curling pressing block and the film carrier can be adjusted, and the phenomenon that the friction force between the anti-curling pressing block and the film carrier is too large or too small is avoided, so that the unwinding effect of the film carrier is influenced.
In the unreeling process, heating media such as water, oil or steam can be introduced into the heating pipes in the roller bodies through the circulating heating system to circularly heat the roller bodies, so that the film carrier is heated at constant temperature, the film carrier is more easily flattened, and wrinkles are avoided.
Claims (8)
1. The utility model provides an unwinding device of film carrier coating, characterized by, includes material book mount, roller set mount, film conveyer, sets up tensioning roller set and guide roll and the flattening roller of setting in film conveyer top on the roller set mount, the roller set mount includes vertical support and the horizontal stand that mutually perpendicular set up, vertical support is located film conveyer and material and rolls up between the mount, the horizontal stand is located film conveyer and flattening roller top, the tensioning roller set sets up the one end that is close to the material book mount at the horizontal stand, the tensioning roller set includes parallel arrangement at the first tensioning roller and the third tensioning roller of horizontal stand upside and the second tensioning roller that is located the horizontal stand below, the guide roll is located the horizontal stand and keeps away from the one end upside of material book mount, guide roll, flattening roller and first, Second, third tensioning roller include the roll body and set up the roller at roll body both ends center, the roller at second tensioning roller both ends passes through the dead lever and is connected with horizontal stand, and the roll shaft is fixed on the horizontal stand of roller set mount respectively at the both ends of guide roll and first, third tensioning roller, and the flattening roller both ends are fixed on film conveyer through the roller shaft respectively.
2. The unwinding device for coating film carrier according to claim 1, wherein the connecting line of the three tension roller shafts in the tension roller set is an isosceles triangle with the second tension roller shaft as a vertex.
3. The unwinding device for coating of film carrier as claimed in claim 1, wherein the guide roller and the first, second and third tensioning rollers are sleeved with a chuck plate at two ends of the roller body, the inner sides of the chuck plates are respectively provided with an anti-curling pressing block with a bottom surface contacting with the roller body, the anti-curling pressing block and the roller body are obliquely arranged, and one end of the anti-curling pressing block is connected with the chuck plate through a connecting rod.
4. The unwinding device for coating carrier film according to claim 3, wherein a fixing plate is disposed inside the chuck plate, and the connecting rod is rotatably connected to the fixing plate.
5. The unwinding device for coating film carrier according to claim 3, wherein an included angle of 120 ° to 135 ° is formed between an end of the connection rod connected to the fixing piece and an end connected to the anti-curling pressing block.
6. The film carrier coating unwinding device of claim 3, wherein the anti-curling pressure block is cylindrical.
7. The roll unwinding device for coating carrier film according to claim 3, wherein the anti-curling compacts on the guide roll and the first and third tension rolls are located above the roll body, and the anti-curling compacts on the second tension roll are located below the roll body.
8. The unwinding device for coating film carrier as claimed in claim 1, wherein heating tube holes are provided in the roll shafts of the guide roll, the flattening roll and the first, second and third tensioning rolls, the roll body is hollow, a spiral heating tube is provided along the inner wall of the roll body in the roll body, and both ends of the heating tube respectively penetrate through the heating tube holes in the roll shafts at both ends to be connected with a circulating heating system for providing heating medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845734.8U CN210418532U (en) | 2019-06-05 | 2019-06-05 | Unwinding device of film carrier coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845734.8U CN210418532U (en) | 2019-06-05 | 2019-06-05 | Unwinding device of film carrier coating |
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| Publication Number | Publication Date |
|---|---|
| CN210418532U true CN210418532U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920845734.8U Active CN210418532U (en) | 2019-06-05 | 2019-06-05 | Unwinding device of film carrier coating |
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| Country | Link |
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| CN (1) | CN210418532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093267A1 (en) * | 2021-11-29 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Sheet forming device |
-
2019
- 2019-06-05 CN CN201920845734.8U patent/CN210418532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093267A1 (en) * | 2021-11-29 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Sheet forming device |
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